<template>
  <div id="app">
    <div>
      <span>姓名:</span>
      <input type="text" v-model="name" />
    </div>
    <div>
      <span>年龄:</span>
      <input type="number" v-model="age" />
    </div>
    <div>
      <span>性别:</span>
      <select v-model="sex">
        <option value="男">男</option>
        <option value="女">女</option>
      </select>
    </div>
    <div>
      <button @click="addFn">添加/修改</button>
    </div>
    <div>
      <table border="1" cellpadding="10" cellspacing="0">
        <tr>
          <th>序号</th>
          <th>姓名</th>
          <th>年龄</th>
          <th>性别</th>
          <th>操作</th>
        </tr>
        <tr v-for="(obj, index) in arr" :key="index">
          <td>{{ obj.id }}</td>
          <td>{{ obj.name }}</td>
          <td>{{ obj.age }}</td>
          <td>{{ obj.sex }}</td>
          <td>
            <button @click="delFn(index)">删除</button>
            <button @click="editFn(index)">编辑</button>
          </td>
        </tr>
      </table>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      name: "",
      age: "",
      sex: "",
      indexO: "",
      arr: [
        { id: 1, name: "tom", age: 19, sex: "男" },
        { id: 2, name: "jone", age: 21, sex: "女" },
      ],
    };
  },
  methods: {
    delFn(index) {
      this.arr.splice(index, 1);
    },
    addFn() {
      if (this.name.length == 0 || this.age.length == 0) {
        return alert("请输入正确的");
      }
      // {"id":1,"name":"tom","age":19,"sex":"男"}
      this.arr.push({
        id: this.arr.length + 1,
        name: this.name,
        age: this.age,
        sex: this.sex,
      });
    },
    editFn(index) {
      this.name = this.arr[index].name;
      this.age = this.arr[index].age;
      this.sex = this.arr[index].sex;
    },
  },
};
</script>
